This two-output circuit was found in General Electric documentation from the 1990s. The circuit uses an NTC as a sensor and the control element is an SCR.
This notch filter or reject filter rejects signals of a certain frequency with good selectivity. The...
This circuit is from Texas Instruments documentation from the 1980s. The operatinal ones are from...
Small inverters can help to obtain high voltages from batteries. Although the switched inverters that...